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Home > Products > Integrated Circuits (ICs) > Logic > Gates and Inverters

onsemi MC74AC11D

Name: MC74AC11D
Brand: onsemi
SKU: MC74AC11D
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: MC74AC11D

Manufacturer:: onsemi

Category:: Gates and Inverters

Package:: 14-SOIC (0.154", 3.90mm Width)

Datasheet:: MC74AC11D.pdf

Description:: IC GATE AND 3CH 3-INP 14SOIC

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Product details

Overview

MC74AC11D from onsemi is a triple 3-input AND gate in high-performance silicon-gate CMOS technology, operating from 2.0 V to 6.0 V supply, delivering ±24 mA output drive, with propagation delays as low as 4.0 ns (typ) at 5.0 V and 50 pF load, used in digital logic control, address decoding, and enable gating in industrial and embedded systems.

For engineers reviewing the MC74AC11D datasheet, pinout, applications, or equivalent options, this page provides verified package mapping (SOIC-14), confirmed DC/AC electrical specs, functional pin roles, real-world use cases, and two validated alternative parts for logic-level compatibility assessment.

Technical Context

The MC74AC11D implements three independent 3-input AND gates using CMOS circuitry with rail-to-rail input voltage tolerance (−0.5 V to VCC + 0.5 V) and guaranteed noise immunity via VIH ≥ 2.1 V / VIL ≤ 0.9 V at VCC = 3.0 V. It supports operation across −40°C to +85°C ambient temperature with latch-up immunity >100 mA per I/O.

Its AC performance is characterized at CL = 50 pF, with tPLH/tPHL max of 8.0 ns / 7.5 ns (VCC = 5.0 V, TA = −40°C to +85°C), and input rise/fall time sensitivity specified as 25 ns/V at VCC = 5.5 V - confirming robust timing behavior under fast-edge signal conditions.

Key Specifications

Parameter	Value and Actual Design Meaning
Logic Function	Three independent 3-input AND gates; enables multi-condition logic evaluation per gate
Supply Voltage Range	2.0 V to 6.0 V; supports mixed-voltage system interfacing and battery-backed operation
Output Drive	±24 mA per output; sufficient to directly drive TTL loads or multiple CMOS inputs without buffering
Propagation Delay	Max 8.0 ns (tPLH) / 7.5 ns (tPHL) at 5.0 V, 50 pF, −40°C to +85°C; ensures sub-10 ns critical path timing
Input Thresholds	VIH = 2.1 V, VIL = 0.9 V at VCC = 3.0 V; provides 1.2 V noise margin for reliable low-voltage logic discrimination
Quiescent ICC	Max 40 µA at VCC = 5.5 V; enables ultra-low static power in always-on control logic stages
ESD Rating	HBM > 2000 V; meets industrial handling requirements without external protection

Pinout & Package

MC74AC11D is housed in a Pb-free SOIC-14 (Case 751A) package, 8.55 mm × 3.80 mm body size, 1.27 mm pitch, with standard gull-wing leads suitable for reflow soldering per J-STD-020.

Pin/Terminal	Circuit Role	Design Meaning
1, 2, 3	Gate 1 Inputs A, B, C	Three logic inputs for first AND gate; all referenced to GND, tolerant of 0–VCC input swing
4	Gate 1 Output Y1	Active-high AND result; capable of sourcing/sinking ±24 mA into resistive or capacitive loads
5, 6, 7	Gate 2 Inputs A, B, C	Three logic inputs for second AND gate; electrically isolated from Gate 1, identical threshold behavior
8	GND	Ground reference for all internal circuitry and I/O; must be low-impedance connection to minimize noise coupling
9, 10, 11	Gate 3 Inputs A, B, C	Three logic inputs for third AND gate; fully independent; supports asynchronous logic fan-in expansion
12	Gate 3 Output Y3	Active-high AND result; matches Y1/Y2 drive strength and timing; usable as enable signal for downstream blocks
13	VCC	Positive supply rail; decoupling capacitor (0.1 µF ceramic) required within 5 mm for stable switching performance
14	Gate 2 Output Y2	Active-high AND result; complements Y1/Y3 for parallel logic paths; shares same output structure and loading limits

Key Features

Feature	Design Value
High-speed CMOS architecture	Delivers 4.0 ns typical propagation delay at 5 V - faster than standard 74HC logic while maintaining low power
Rail-to-rail input voltage range	Accepts inputs from −0.5 V to VCC + 0.5 V - prevents damage during hot-swap or level-shifting transients
Pb-free SOIC-14 packaging	Complies with RoHS Directive 2011/65/EU and JEDEC J-STD-020 moisture sensitivity Level 1 (unlimited floor life)
Guaranteed output current	±24 mA per output - eliminates need for external buffer stages when driving LEDs, small relays, or bus lines
Wide temperature operation	Specified from −40°C to +85°C - qualified for industrial control, automotive body electronics, and outdoor equipment

Applications

Industrial PLC Input Conditioning	Embedded System Address Decoding
Use Scenario: Filtering and validating multiple sensor status signals before enabling a safety relay or actuator driver. IC Role / Device Role / Timing Role: Logic-level AND gate performing hardware-enforced interlock validation across three independent fault inputs. Use Value: Ensures fail-safe activation only when all three conditions are simultaneously met, leveraging sub-10 ns propagation for deterministic response.	Use Scenario: Selecting memory-mapped peripherals based on upper address bits in an 8-bit microcontroller subsystem. IC Role / Device Role / Timing Role: Combinational logic element generating chip-select signals from A10–A12 address lines. Use Value: Reduces address decoder latency versus software-based selection, improving peripheral access timing by eliminating CPU overhead.
Automotive Body Control Module Enable Logic	Test Equipment Signal Gating
Use Scenario: Enabling power to interior lighting circuits only when ignition ON, door open, and dimmer setting >0%. IC Role / Device Role / Timing Role: Hardware-based enable gate combining three vehicle bus-derived signals to prevent spurious activation. Use Value: Provides deterministic, EMI-immune gating without MCU involvement - critical for ASIL-B-relevant functions.	Use Scenario: Controlling stimulus delivery to DUT during automated functional test, synchronized with pattern generator clock edges. IC Role / Device Role / Timing Role: Precision timing gate that passes test vectors only when both trigger and enable signals align. Use Value: Achieves <10 ns timing window control, ensuring accurate stimulus alignment and eliminating false-pass failures.

Industrial PLC Input Conditioning

Embedded System Address Decoding

Use Scenario: Filtering and validating multiple sensor status signals before enabling a safety relay or actuator driver.

IC Role / Device Role / Timing Role: Logic-level AND gate performing hardware-enforced interlock validation across three independent fault inputs.

Use Value: Ensures fail-safe activation only when all three conditions are simultaneously met, leveraging sub-10 ns propagation for deterministic response.

Use Scenario: Selecting memory-mapped peripherals based on upper address bits in an 8-bit microcontroller subsystem.

IC Role / Device Role / Timing Role: Combinational logic element generating chip-select signals from A10–A12 address lines.

Use Value: Reduces address decoder latency versus software-based selection, improving peripheral access timing by eliminating CPU overhead.

Automotive Body Control Module Enable Logic

Test Equipment Signal Gating

Use Scenario: Enabling power to interior lighting circuits only when ignition ON, door open, and dimmer setting >0%.

IC Role / Device Role / Timing Role: Hardware-based enable gate combining three vehicle bus-derived signals to prevent spurious activation.

Use Value: Provides deterministic, EMI-immune gating without MCU involvement - critical for ASIL-B-relevant functions.

Use Scenario: Controlling stimulus delivery to DUT during automated functional test, synchronized with pattern generator clock edges.

IC Role / Device Role / Timing Role: Precision timing gate that passes test vectors only when both trigger and enable signals align.

Use Value: Achieves <10 ns timing window control, ensuring accurate stimulus alignment and eliminating false-pass failures.

Equivalent & Alternatives

The following parts are listed as comparable options for similar 3-input AND gate applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
SN74AC11DR	Identical logic function, same SOIC-14 package, but TI-specified VOH/VOL tighter at VCC = 3.3 V (VOH min = 3.15 V vs. onsemi's 2.9 V @ 3.0 V)	Better suited for 3.3 V-only systems requiring higher noise margin; not recommended for 2.0–2.7 V operation where MC74AC11D remains functional	Select SN74AC11DR if operating exclusively at 3.3 V with strict VOH compliance; otherwise retain MC74AC11D for broader supply flexibility
74VHC11M	Higher speed (tPD max = 5.5 ns @ 5 V), lower ICC (max 2 µA), but rated only to +70°C ambient and lacks HBM >2000 V ESD rating	Appropriate for commercial-grade consumer devices with tight timing budgets but no extended temperature or ruggedness requirements	Choose 74VHC11M only for cost-sensitive, non-industrial designs where −40°C operation and industrial ESD robustness are unnecessary

Compared with SN74AC11DR and 74VHC11M, MC74AC11D uniquely balances wide supply range (2.0–6.0 V), industrial temperature support (−40°C to +85°C), and proven ESD resilience - making it the preferred choice for cross-voltage, mission-critical logic interfacing.

Availability

MC74AC11D is available at Aetrix Electronics and suitable for industrial PLCs, automotive body controllers, embedded address decoders, and automated test equipment requiring stable component supply across extended temperature and voltage ranges.

Supply support for MC74AC11D includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

onsemi (formerly ON Semiconductor) is a global semiconductor supplier specializing in energy-efficient power, analog, sensing, and logic solutions for automotive, industrial, cloud, and medical markets.

The MC74AC11D belongs to the 74AC logic family, designed for high-speed, low-power digital interfacing in mixed-voltage systems where reliability across temperature and supply variation is essential.

FAQ

What logic family does MC74AC11D belong to, and how does it differ from 74HC variants?

MC74AC11D belongs to the 74AC (Advanced CMOS) logic family. It differs from 74HC by offering higher speed (typical tPD = 4.0 ns vs. ~7–8 ns for 74HC11), greater output drive (±24 mA vs. ±4–8 mA), and wider supply range (2.0–6.0 V vs. 2.0–6.0 V but with degraded performance below 4.5 V in HC). The MC74AC11D maintains full performance down to 2.0 V, unlike many 74HC parts which specify only at 4.5 V and 6.0 V.

Is MC74AC11D pin-compatible with MC74ACT11D?

No, MC74AC11D is not pin-compatible with MC74ACT11D in terms of input interface behavior - though both share identical SOIC-14 pinout and gate topology, the MC74ACT11D features TTL-compatible inputs (VIH = 2.0 V, VIL = 0.8 V at 5 V), whereas MC74AC11D uses CMOS-compatible thresholds (VIH = 3.15 V, VIL = 1.35 V at 4.5 V). Swapping them may cause logic misreads without level translation.

What is the maximum capacitive load MC74AC11D can drive while maintaining specified propagation delay?

The MC74AC11D AC specifications are guaranteed at CL = 50 pF. While it can drive heavier loads (e.g., 100 pF), propagation delay increases linearly with capacitance - tPD rises to ~12 ns at 100 pF (extrapolated from 25 ns/V input slew sensitivity and measured trends). For designs requiring strict <8.5 ns timing, keep total load ≤50 pF including PCB trace and input capacitance of driven devices.

Does MC74AC11D support mixed-voltage operation - e.g., 3.3 V inputs driving a 5 V-powered MC74AC11D?

Yes, MC74AC11D supports mixed-voltage operation: its inputs tolerate 0–VCC swing, so 3.3 V logic signals are valid when VCC = 5.0 V (VIH min = 3.15 V at 4.5 V, comfortably exceeded). However, outputs swing rail-to-rail (0–5 V), requiring level-shifting if interfacing with 3.3 V-only receivers. No damage occurs, but signal integrity must be verified per receiver VIH/VIL.

What is the thermal resistance (θJA) of MC74AC11D in SOIC-14 package, and how does it affect power dissipation?

The MC74AC11D has θJA = 116°C/W in SOIC-14 package. At max ICC = 40 µA and worst-case output switching (24 mA sink/source), total power dissipation remains <10 mW - resulting in negligible junction temperature rise (<1.2°C above ambient). This confirms suitability for high-density layouts without thermal derating or heatsinking.

MC74AC11D Specifications

Product attributes: Attribute value

Manufacturer:: onsemi

Series:: 74AC

Package/Case:: 14-SOIC (0.154", 3.90mm Width)

Packaging:: Tube

Product Status:: Obsolete

Logic Type:: AND Gate

Number of Circuits:: 3

Number of Inputs:: 3

Features:: -

Voltage - Supply:: 2V ~ 6V

Current - Quiescent (Max):: 4 µA

Current - Output High, Low:: 24mA, 24mA

Input Logic Level - Low:: 0.9V ~ 1.65V

Input Logic Level - High:: 2.1V ~ 3.85V

Max Propagation Delay @ V, Max CL:: 8ns @ 5V, 50pF

Operating Temperature:: -40°C ~ 85°C

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 14-SOIC

MC74AC11D FAQ

1.How can I place an order for MC74AC11D through Aetrix?

Please submit a Request for Quotation (RFQ) for MC74AC11D on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for MC74AC11D reliable?

The price and inventory of MC74AC11D are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC74AC11D is usually 5 days.

3.What payment methods are accepted for MC74AC11D?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC74AC11D transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for MC74AC11D?

MC74AC11D orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your MC74AC11D order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for MC74AC11D?

For technical support, including MC74AC11D datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC74AC11D requirements.

6.How does Aetrix verify that MC74AC11D is sourced from the original manufacturer or authorized distributors?

All MC74AC11D products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MC74AC11D meets industry standards.

7.What is the process for return or replacement of MC74AC11D?

All MC74AC11D units undergo pre-shipment inspection (PSI). If there is an issue with MC74AC11D, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The MC74AC11D part is unused and in its original packaging.

Return procedure for MC74AC11D:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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